tls: add code for ERR_TLS_INVALID_PROTOCOL_METHOD

Add an error code property to invalid `secureProtocol` method
exceptions.

PR-URL: nodejs#24729
Reviewed-By: Joyee Cheung <[email protected]>
Reviewed-By: James M Snell <[email protected]>

Author: sam-github

doc/api/errors.md

@@ -1724,6 +1724,12 @@ recommended to use 2048 bits or larger for stronger security.
 A TLS/SSL handshake timed out. In this case, the server must also abort the
 connection.
 
+<a id="ERR_TLS_INVALID_PROTOCOL_METHOD"></a>
+### ERR_TLS_INVALID_PROTOCOL_METHOD
+
+The specified  `secureProtocol` method is invalid. It is  either unknown, or
+disabled because it is insecure.
+
 <a id="ERR_TLS_INVALID_PROTOCOL_VERSION"></a>
 ### ERR_TLS_INVALID_PROTOCOL_VERSION
 

src/node_crypto.cc

@@ -54,6 +54,8 @@ static const int X509_NAME_FLAGS = ASN1_STRFLGS_ESC_CTRL
 namespace node {
 namespace crypto {
 
+using node::THROW_ERR_TLS_INVALID_PROTOCOL_METHOD;
+
 using v8::Array;
 using v8::ArrayBufferView;
 using v8::Boolean;
@@ -413,17 +415,23 @@ void SecureContext::Init(const FunctionCallbackInfo<Value>& args) {
     // protocols are supported unless explicitly disabled (which we do below
     // for SSLv2 and SSLv3.)
     if (strcmp(*sslmethod, "SSLv2_method") == 0) {
-      return env->ThrowError("SSLv2 methods disabled");
+      THROW_ERR_TLS_INVALID_PROTOCOL_METHOD(env, "SSLv2 methods disabled");
+      return;
     } else if (strcmp(*sslmethod, "SSLv2_server_method") == 0) {
-      return env->ThrowError("SSLv2 methods disabled");
+      THROW_ERR_TLS_INVALID_PROTOCOL_METHOD(env, "SSLv2 methods disabled");
+      return;
     } else if (strcmp(*sslmethod, "SSLv2_client_method") == 0) {
-      return env->ThrowError("SSLv2 methods disabled");
+      THROW_ERR_TLS_INVALID_PROTOCOL_METHOD(env, "SSLv2 methods disabled");
+      return;
     } else if (strcmp(*sslmethod, "SSLv3_method") == 0) {
-      return env->ThrowError("SSLv3 methods disabled");
+      THROW_ERR_TLS_INVALID_PROTOCOL_METHOD(env, "SSLv3 methods disabled");
+      return;
     } else if (strcmp(*sslmethod, "SSLv3_server_method") == 0) {
-      return env->ThrowError("SSLv3 methods disabled");
+      THROW_ERR_TLS_INVALID_PROTOCOL_METHOD(env, "SSLv3 methods disabled");
+      return;
     } else if (strcmp(*sslmethod, "SSLv3_client_method") == 0) {
-      return env->ThrowError("SSLv3 methods disabled");
+      THROW_ERR_TLS_INVALID_PROTOCOL_METHOD(env, "SSLv3 methods disabled");
+      return;
     } else if (strcmp(*sslmethod, "SSLv23_method") == 0) {
       // noop
     } else if (strcmp(*sslmethod, "SSLv23_server_method") == 0) {
@@ -467,7 +475,8 @@ void SecureContext::Init(const FunctionCallbackInfo<Value>& args) {
       max_version = TLS1_2_VERSION;
       method = TLS_client_method();
     } else {
-      return env->ThrowError("Unknown method");
+      THROW_ERR_TLS_INVALID_PROTOCOL_METHOD(env, "Unknown method");
+      return;
     }
   }
 

src/node_errors.h

@@ -55,6 +55,7 @@ void FatalException(v8::Isolate* isolate,
   V(ERR_SCRIPT_EXECUTION_INTERRUPTED, Error)                                 \
   V(ERR_SCRIPT_EXECUTION_TIMEOUT, Error)                                     \
   V(ERR_STRING_TOO_LONG, Error)                                              \
+  V(ERR_TLS_INVALID_PROTOCOL_METHOD, TypeError)                              \
   V(ERR_TRANSFERRING_EXTERNALIZED_SHAREDARRAYBUFFER, TypeError)              \
 
 #define V(code, type)                                                         \